340844 has 36 divisors (see below), whose sum is σ = 727776. Its totient is φ = 139104.

The previous prime is 340819. The next prime is 340849. The reversal of 340844 is 448043.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340844.

It is not an unprimeable number, because it can be changed into a prime (340849) by changing a digit.

340844 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7229 + ... + 7275.

It is an arithmetic number, because the mean of its divisors is an integer number (20216).

2³⁴⁰⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363888).

340844 is an abundant number, since it is smaller than the sum of its proper divisors (386932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340844 is a wasteful number, since it uses less digits than its factorization.

340844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 340844 is about 583.8184649358. The cubic root of 340844 is about 69.8530249541.

Adding to 340844 its reverse (448043), we get a palindrome (788887).

The spelling of 340844 in words is "three hundred forty thousand, eight hundred forty-four".